Quantitative determination of anisotropic domain size in mesophase pitch

The optical texture of the carbonaceous mesophase is related to the nature of the pitch precursor, the mesophase viscosity and mode of preparation. The anisotropic domain size, represented by the distance between extinction lines, has been a useful parameter for characterizing mesophase pitches. A p...

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Bibliographic Details
Published in:Carbon (New York) 1987, Vol.25 (2), p.289-294
Main Authors: Lewis, R.T., Lewis, I.C., Greinke, R.A., Strong, S.L.
Format: Article
Language:English
Subjects:
Applied sciences
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
Mesophase
mesophase domain size
Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts
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Summary:The optical texture of the carbonaceous mesophase is related to the nature of the pitch precursor, the mesophase viscosity and mode of preparation. The anisotropic domain size, represented by the distance between extinction lines, has been a useful parameter for characterizing mesophase pitches. A procedure for quantitative determination of mesophase domain size, utilizing annealing techniques and image analysis, is described and applied to several different mesophase pitch systems.
ISSN:0008-6223
1873-3891
DOI:10.1016/0008-6223(87)90128-X